54 



PIEBALD RATS AND SELECTION. 



I 



50 

 I 



S 



s 







3 



C 



.2 

 o 



8 



*^ 



c 



53 



o 

 e 







i. 



o 



o 

 v> 



"c 



o 



CO 

 "O 



to 



o 



c 

 ~ - 



M 



a 



to 

 o 



c. 



I 



+ 



C 



I 



o 

 o. 



01 



o 



NH 



